Engineering Worksheet: Sustainability

Engineering lesson 22: Sustainable engineering · Set 324 · 40 questions

Engineer's tip (Reduce, reuse, recycle): Reduce = use less · reuse = use again · recycle = break down and remake. Renewable: sun, wind, water, biogas, waves. Non-renewable: coal, petrol, diesel, natural gas. Count savings with × and ÷: bags per week × weeks, bottles ÷ bottles per bench.

1. 1.Which of these is reduce (use less)? (a) buy less packaging (b) melt glass into new jars (c) give old books away (d) turn plastic into tiles
2. 2.True or false: natural gas is a renewable energy source. (a) True (b) False
3. 3.True or false: petrol is a renewable energy source. (a) False (b) True
4. 4.♻️ Reduce, reuse or recycle: carry a cloth bag? (a) reuse (b) reduce (c) recycle
5. 5.♻️ Reduce, reuse or recycle: fix a dripping tap? (a) recycle (b) reduce (c) reuse
6. 6.True or false: diesel is a non-renewable energy source. (a) False (b) True
7. 7.♻️ Which energy source will never run out? (a) diesel (b) coal (c) petrol (d) sunlight
8. 8.♻️ Reduce, reuse or recycle: plant in old tyres? (a) recycle (b) reuse (c) reduce
9. 9.♻️ Is ocean wave energy a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
10. 10.♻️ Reduce, reuse or recycle: switch off unused lights? (a) reduce (b) recycle (c) reuse
11. 11.Which of these is reuse (use again)? (a) reuse gift paper (b) melt cans into new cans (c) switch off unused lights (d) buy less packaging
12. 12.Which of these is reduce (use less)? (a) print on both sides (b) give old books away (c) turn plastic into tiles (d) pulp old paper
13. 13.True or false: diesel is a renewable energy source. (a) False (b) True
14. 14.♻️ Which is the BEST order to think about waste? (a) reuse, recycle, reduce (b) burn, bury, forget (c) recycle, reuse, reduce (d) reduce, reuse, recycle
15. 15.♻️ Is wind a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
16. 16.♻️ Is sunlight a renewable or a non-renewable energy source? (a) renewable (b) non-renewable
17. 17.♻️ Is petrol a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
18. 18.True or false: ocean wave energy is a renewable energy source. (a) True (b) False
19. 19.♻️ Reduce, reuse or recycle: melt cans into new cans? (a) reuse (b) reduce (c) recycle
20. 20.Which of these is recycle (make new things)? (a) fix a dripping tap (b) melt glass into new jars (c) plant in old tyres (d) reuse gift paper
21. 21.True or false: coal is a non-renewable energy source. (a) False (b) True
22. 22.♻️ Is flowing river water a renewable or a non-renewable energy source? (a) non-renewable (b) renewable
23. 23.Which of these is reuse (use again)? (a) pulp old paper (b) turn plastic into tiles (c) print on both sides (d) use a jar as a pen stand
24. 24.♻️ A family used to throw away 3 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 5 weeks?
25. 25.Which of these is reuse (use again)? (a) give old books away (b) carry a cloth bag (c) switch off unused lights (d) fix a dripping tap
26. 26.Which of these is reduce (use less)? (a) plant in old tyres (b) refill a water bottle (c) switch off unused lights (d) turn plastic into tiles
27. 27.♻️ Reduce, reuse or recycle: give old books away? (a) reduce (b) recycle (c) reuse
28. 28.♻️ Reduce, reuse or recycle: refill a water bottle? (a) recycle (b) reduce (c) reuse
29. 29.♻️ A project report has 86 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?
30. 30.True or false: flowing river water is a non-renewable energy source. (a) False (b) True
31. 31.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 200 bottles?
32. 32.♻️ Reduce, reuse or recycle: reuse gift paper? (a) reuse (b) recycle (c) reduce
33. 33.♻️ A school bench is made from 100 recycled plastic bottles. How many benches can be made from 500 bottles?
34. 34.♻️ A school bench is made from 300 recycled plastic bottles. How many benches can be made from 1800 bottles?
35. 35.♻️ A school bench is made from 200 recycled plastic bottles. How many benches can be made from 1400 bottles?
36. 36.True or false: biogas from waste is a renewable energy source. (a) True (b) False
37. 37.♻️ Reduce, reuse or recycle: melt glass into new jars? (a) recycle (b) reduce (c) reuse
38. 38.♻️ A sustainable design … (a) lasts one day (b) protects the future (c) wastes water (d) uses the most plastic
39. 39.♻️ A family used to throw away 7 plastic bags a week. They now carry cloth bags. How many plastic bags do they save in 4 weeks?
40. 40.♻️ A project report has 30 pages. How many sheets of paper are needed if it is printed on both sides of each sheet?

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